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Gram Stain

9. Microscopes / Gram Stain / Problem 4

If a gram-stained field under the microscope reveals pink rods and purple cocci, what is the most likely explanation?

A

The staining process was performed incorrectly.

B

The bacteria are of the same species but have different growth stages.

C

There are two different species of bacteria present.

D

The bacteria have a mutation in their cell wall composition.

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